Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: mangopay (user goal)
rejecting: mangopay-1.11.5, 1.11.4, 1.11.3, 1.11.2, 1.11.1, 1.11, 1.10.2,
1.10.1, 1.10, 1.9.7, 1.9.6, 1.9.5.1, 1.9.5, 1.9.4, 1.9.2, 1.9.1, 1.9, 1.8.2,
1.8.1, 1.8.0, 1.7.0, 1.6.3, 1.6.2, 1.6.1, 1.6.0, 1.5.1, 1.5, 1.4, 1.3, 1.2
(global constraint requires ==1.1)
trying: mangopay-1.1
trying: base-4.8.1.0/installed-4f7... (dependency of mangopay-1.1)
next goal: case-insensitive (dependency of mangopay-1.1)
rejecting: case-insensitive-1.2.0.5, 1.2.0.4, 1.2.0.3, 1.2.0.2, 1.2.0.1,
1.2.0.0 (conflict: mangopay => case-insensitive>=1.1.0 && <1.2)
rejecting: case-insensitive-1.1.0.3, 1.1.0.2, 1.1.0.1 (conflict:
base==4.8.1.0/installed-4f7..., case-insensitive => base>=3 && <4.8)
rejecting: case-insensitive-1.1, 1.0.0.2, 1.0.0.1, 1.0, 0.4.0.4, 0.4.0.3,
0.4.0.2, 0.4.0.1, 0.4, 0.3.0.1, 0.3, 0.2.0.2, 0.2.0.1, 0.2, 0.1 (conflict:
mangopay => case-insensitive>=1.1.0 && <1.2)
Dependency tree exhaustively searched.